I don't imply it, it's explicitly spelled out (http://werkzeug.pocoo.org/docs/serving/ http://werkzeug.pocoo.org/docs/serving/): The development server is not

I don't imply it, it's explicitly spelled out (http://werkzeug.pocoo.org/docs/serving/ http://werkzeug.pocoo.org/docs/serving/): The development server is not intended to be used on production systems. It was designed especially for development purposes and performs poorly under high load. For deployment setups have a look at the Application Deployment pages.